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Incandescent white of a fireworks display caused by a formation of P4O10,which occurs by the combustion of phosphorus, how many moles of O2 are needed to combine with .221 mol of p?
Formic acid, HFor, has a Ka value equal to about 1.8x10-4. A student is asked to prepare a buffer having a pH of 3.40 from a .10M HFor and a .10M NaFor solution. How many milliliters of the NaFor solution should she add to 20mL of the .10M HFor to..
Hydrofluric acid in an aq solution has a molar mass of 20.01g/mol. A chemist dissovles a .2001g sample in 20.0 mL and titrates it
What is the molar solubility of SrSO4 in pure water at 25ºC?
Arrange equimolar solutions of the following compounds in the increasing pH (lowest to highest). Explain your answer.
Explain why triethylamine is a weaker base than dimethylamine or methylamine.
Sodium carbonate (Na2CO3rm Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 3.02×103kgkg of sulfuric acid solution
defined lead free paint as having less than 75mg of lead per 125mg of paint. How many parts per million of lead is this?
Describe how you would make 500 mL of 0.150 M Na2SO4 given 1 kg of Na2SO4, a distilled water supply, a balance, anf a 500-mL volumetric flask.
10-ml volumetric flask an empty weighs 10.263 grams.nbsp the mass is 20.211 grams after filling to the mark with
Hydrobromic acid reacts with potassium carbonate to form potassium bromide,carbon dioxide , and water. Barney the incompetent lab tech accidently knocked a flask containing 255ml of 0.500 M hydrobromic acid onto the floor, and now he has to clean ..
In synthesis os isopentyl acetate. according to le chatliers principle, one method for shifting an equilibrium reaction toward more product is to add more of one of the reactants ( acetic acid here.)
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the weak acid H2CO3 (aq)
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